Ellesmere Island Archives - State of the Planet

Ice core records of CO2 and climate over the past million years, NOAA

400 ppm World, Part 1: Large Changes Still to Come

Why should society care that CO2 is now as high as 400 ppm? The reasons are multiple, but all trace back to the relationship between CO2 and temperature.

by |June 11, 2013
Twin Otter, Arctic Switchyard

Under Arctic Ice: Watch the Video

The video depicts the activities of the LDEO Switchyard field team, which deploys annually and uses ski-equipped aircraft to reach a series of sample sites between the North Pole and Ellesmere Island in Canada.

by |May 24, 2012